Home / 187,348.72-258,541.24-102,465.78

Finding the Fourth Proportional to 187,348.72, 258,541.24 and 102,465.78

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Solution

The fourth proportional to 187,348.72, 258,541.24 and 102,465.78 is: 141,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,348.72 : 258,541.24 = 102,465.78 : x
  2. Step 2: Convert to fraction form
    187,348.72/258,541.24 = 102,465.78/x
  3. Step 3: Cross multiply
    187,348.72x = 258,541.24 × 102,465.78
  4. Step 4: Simplify right side
    187,348.72x = 26,491,629,818.77
  5. Step 5: Solve for x
    x = 26,491,629,818.77/187,348.72
  6. Step 6: Final answer
    x = 141,402.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.